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Circle of holography : digital in-line holography for imaging, microscopy and measurement
(2006)
Gabor proposed the concept of holography for wavefront reconstruction. The advent of the laser enabled Leith et al. to develop this concept into a technology with off-axis holography. Advances in computational methods and ...
Digital in-line holography for dynamic micro-metrology
(2006)
In this paper in-line digital holography has been explored for dynamic micro metrological applications. In in-line digital holography, full CCD sensor area is utilized for real image reconstruction of the objects with less ...
Digital in-line holography for microscopic applications
(2005)
Lensless digital holographic microscope (DHM) is presented for the study of transparent micro objects in three dimensions. A highly diverging beam replaces the conventional microscope objectives to provide the desired ...
Double exposure time averaged in-line digital holography
(2007)
Theory, analysis and applications of digital in-line holography are presented for metrological applications. Particularly time averaged in-line digital holography is explored for dynamic characterization of membranes and ...
Development of simple user-friendly commercial digital holographic microscope
(2008)
We report the development of a simple commercial digital holographic microscope. The hologram is recorded using a CCD sensor and numerically reconstructed to provide quantitative analysis of the object. The laser source ...
Characterisation of laser marks using digital holographic microscopy
(2008)
The inspection and characterisation of laser marks using digital holographic microscopy (DHM) is presented in this paper. A DHM system in transmission mode was designed and the reconstruction algorithm for this configuration ...
Amplitude and phase analysis in digital dynamic holography
(2006)
Lensless in-line digital holographic interferometry has the potential for vibration analysis of objects smaller than 5 mm in diameter. This is particularly useful for dynamic characterization of microelectromechanical ...
Vibration analysis of membrane by time average in-line digital holographic interferometry
(2006)
In this paper, in-line digital holography is combined with time average method and applied for vibration analysis of an aluminum membrane. The numerically reconstructed wave from time average holograms contains information ...
Time-averaged in-line digital holographic interferometry for vibration analysis
(2006)
Time-averaged in-line digital holography is applied for vibration analysis. In particular, by use of a double-exposure approach, simultaneous determination of vibration mode shape and mean static state deformation during ...
Dynamic characterization of MEMS diaphragm using time averaged in-line digital holography
(2007)
In this paper dynamic characterization of a MEMS diaphragm is investigated using lens-less time averaged in-line digital holography. The analysis and capability of the numerically reconstructed amplitude and phase information ...